Body cam captures dramatic rescue of baby trapped in hot car

Police in Phoenix rescued Stacey Holly's 5-month-old after she forgot the child on a 107-degree day and later was charged with child endangerment.
2:46 | 08/23/19

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Transcript for Body cam captures dramatic rescue of baby trapped in hot car
We'll begin with another baby left in a hot car. The mom is now facing charges after she left her 5-month-old in the car while she went shopping and there's new police body cam of the incident. Gio with the story. Hey, gio. Reporter: That baby survived thank goodness but video shows the mother was in the for for nearly 50 minutes. First responders were shocked that the baby was alive. I honestly don't know how it happened. Reporter: This is the stressful scene after mother Stacey holly realizes she left her 5-month-old in a hot car. I'm not a bad mom. Reporter: The dramatic scene unfolding in a target parking lot in June outside a Phoenix, Arizona. The temperature outside, more than 1 degrees that day. The child was sweating. The child was red. Reporter: Holly was charged with child abuse and endangererment for leaving the baby in the car. She pleaded not guilty to these charges. We didn't do it on purpose obviously. We just are stupid and forgot that we had a baby with us. Reporter: Holly telling police she went into target with her sister and her 6-year-old and forgot the baby was in the car. The temperature in the car reaching 130 degrees. We left a baby in the car. Reporter: Rushing to the car, holly's sister calling 911 for assistance, holly able to take her baby out of the vehicle. How long was the baby in the vehicle? About 30 minutes. Reporter: The 37-year-old mother was taken to the police station and interrogated. I think that these people who do it who you see on TV, how stupid are they to leave their kids in the car and then it happened. She was arrested. We took her back to the police station and conducted an interview with her and admits they totally forgot, this is 100% preventable. It's negligent the child was left in the car. Reporter: In 2018, 53 babies died after being left in a hot experts say there can be a reason some parents may forget they have kids in the car. That person gets sent to this autopilot mode in which we have a brain area that enables us to drive from point a to point B largely without thinking about it. Reporter: In 2015, I got in a hot car to see exactly how hot it can get. I'm wired up. It's about 90 degrees outside. In 20 minutes I start to have irregular heartbeat. 105. At this point most children would not be sustaining. Reporter: My body temperature of 105 proven to be deadly for children. So we play it safe and call it. Here we go. Opening the door. Thank god. It's so dangerous. So far this year at least 35 children have died in hot cars. It can happen to anyone. That mother in Arizona really thought that it would never happen to her. And that's why we do these stories over and over again. We just need to keep reminding people. Thanks, gio. To the latest on that

This transcript has been automatically generated and may not be 100% accurate.

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